code: def test_split_alphanum(self):
      self.assertEqual(
          split_alphanum("toto diet1 titi"), "toto diet 1 titi"
      )
      self.assertEqual(
          split_alphanum("toto 1diet titi"), "toto 1 diet titi"
      )
  
file_path: gensim/gensim/test/test_parsing.py
imports: import logging
  import unittest
  import mock
  import numpy
  from gensim.parsing.preprocessing import remove_short_tokens, remove_stopword_tokens, remove_stopwords, stem_text, split_alphanum, split_on_space, strip_multiple_whitespaces, strip_non_alphanum, strip_numeric, strip_punctuation, strip_short, strip_tags
label_desc: Use image node_id 6 for calling the TestPreprocessing obj's underlying member method code with example usage: obj.test_split_alphanum() without return types